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Abstract

This cross-sectional study evaluated kidney function and urinary analytes in cattle presented for slaughter at Nsukka abattoir, Enugu State, Nigeria. A total of 133 cattle were evaluated; they were physically examined at the lairage before slaughter and after slaughter, blood for hematology and...

Author(s)
Ihedioha, J. I.; Ukachukwu, C. V.; Ugochukwu, I. C. I.; Anyogu, D. C.
Publisher
Springer Berlin, Heidelberg, Germany
Citation
Tropical Animal Health and Production, 2019, 51, 7, pp 1867-1875
Abstract

Rib bone biopsy samples are often used to estimate changes in skeletal mineral reserves in cattle but differences in sampling procedures and the bone measurements reported often make interpretation and comparisons among experiments difficult. 'Full-core' rib bone biopsy samples, which included the...

Author(s)
Dixon, R. M.; Coates, D. B.; Mayer, R. J.; Miller, C. P.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2019, 13, 1, pp 119-126
Abstract

Bovine respiratory disease (BRD) remains the leading cause of morbidity and mortality in feedlot cattle. At feedlot arrival, classification of cattle groups into high- or low-risk based on their expected level of BRD is common, highly variable, and based on many subjective criteria. An accurate...

Author(s)
Amrine, D. E.; McLellan, J. G.; White, B. J.; Larson, R. L.; Renter, D. G.; Sanderson, M.
Publisher
Elsevier, Amsterdam, Netherlands
Citation
Computers and Electronics in Agriculture, 2019, 156, pp 439-446
Abstract

Preimplantation genomic selection using genomic estimated breeding values (GEBVs) based on single nucleotide polymorphism (SNP) genotypes is expected to accelerate genetic improvement in cattle. To develop a preimplantation genomic selection system for carcass traits in Japanese Black cattle, we...

Author(s)
Fujii, T.; Naito, A.; Hirayama, H.; Kashima, M.; Yoshino, H.; Hanamure, T.; Domon, Y.; Hayakawa, H.; Watanabe, T.; Moriyasu, S.; Kageyama, S.
Publisher
Society for Reproduction and Development, Tokyo, Japan
Citation
Journal of Reproduction and Development, 2019, 65, 3, pp 251-258
Abstract

Five different techniques of estimating the live cattle body weight were evaluated with the objective to identify the most reliable technique for use in the field. Weighbridge was used as the reference for other techniques. The measurement techniques evaluated were Weighbridge, Weigh tape, Rondo...

Author(s)
Wangchuk, K.; Wangdi, J.; Mindu, M.
Publisher
Taylor & Francis, Abingdon, UK
Citation
Journal of Applied Animal Research, 2018, 46, 1, pp 349-352
Abstract

Visual assessment in the milking parlour is a commonly used method to determine the prevalence and severity of bovine digital dermatitis (BDD). It is generally suggested that cows' feet are washed prior to examination to maximise the sensitivity of the assessment, but concern has been expressed...

Author(s)
Yang, D. A.; Laven, R. A.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Veterinary Journal, 2019, 247, pp 38-43
Abstract

Genetic evaluation of female fertility in Danish, Finnish, and Swedish dairy cows was updated in 2015 to multiple-trait animal model evaluation, where heifer and cow fertility up to third parity are considered as separate traits. A model for conception rate was also developed, which required...

Author(s)
Muuttoranta, K.; Tyrisevä, A. M.; Mäntysaari, E. A.; Pösö, J.; Aamand, G. P.; Lidauer, M. H.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 9, pp 8184-8196
Abstract

A portable ion-selective electrode (ISE) meter (LAQUAtwin B-722; Horiba Instruments Inc., Irvine, CA) is available for measuring the sodium ion concentration ([Na]) in biological fluids. The objective of this study was to characterize the analytical performance of the ISE meter in measuring [Na] in ...

Author(s)
Megahed, A. A.; Hiew, M.; Grünberg, W.; Trefz, F. M.; Constable, P. D.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 8, pp 7435-7444
Abstract

The measurement of the respiration rate (RR) in cattle is a valuable tool for monitoring health status. Thus, an RR sensor can be essential for stress detection, especially heat stress. Heat stress leads to a deviation of the normal RR and results in a decrease of milk production and fertility....

Author(s)
Strutzke, S.; Fiske, D.; Hoffmann, G.; Ammon, C.; Heuwieser, W.; Amon, T.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 1, pp 690-695
Abstract

In cattle breeding, the development of genomic selection strategies based on single nucleotide polymorphism (SNP) interrogation has led to improved rates of genetic gain. Additionally, the application of genomic selection to in-vitro produced (IVP) embryos is expected to bring further benefits...

Author(s)
Turner, K. J.; Silvestri, G.; Black, D. H.; Dobson, G.; Smith, C.; Handyside, A. H.; Sinclair, K. D.; Griffin, D. K.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2019, 125, pp 249-258

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